This 3x magnification telephoto lens from Kenko maintains the quality of an image even at maximum zoom, with none of the blur typically associated with digital enlargement. This KAT- 300 Pro has an interchangeable mount thread that is compatible with 30.5 mm, 30 mm, and 28 mm digital cameras. With a weight of just under four oz, this precision-made aluminum Kenko camera lens is a conveniently small and highly portable attachment. The professional telephoto lens also features a multi-coated glass interior that works to reduce ghostly reflections and flares in photos. It is a simple, yet high-quality device that can be used by both beginners and career photographers. The compact KAT- 300 Pro boasts superb optic functions that make this telephoto lens great for shooting wildlife, beach scenes, and competitive sports. This Kenko camera lens is constructed with three elements in three groups for just the right amount of curvature control, anti-reflection, and color aberration reduction at all of its levels of magnification.